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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<title>EMT Decision Tree with Day/Night Toggle</title>
<!-- Panzoom -->
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/panzoom.min.js"></script>
<!-- Tailwind CSS -->
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/tailwind.min.css" rel="stylesheet"/>
<style>
/* Smooth transitions for theme toggling */
body {
transition: background-color 0.3s, color 0.3s;
}
/* Container for the SVG diagram */
.diagram-container {
position: relative;
width: 100%;
height: 80vh;
overflow: hidden;
background: linear-gradient(
to bottom,
rgba(207, 235, 216, 0.8),
rgba(121, 243, 141, 0.8)
);
background-size: cover;
background-repeat: no-repeat;
background-position: center;
transition: background-color 0.3s, background-image 0.3s;
}
/* Info panel on the right side */
.info-panel {
position: fixed;
right: 0;
top: 0;
width: 300px;
height: 100vh;
background: white;
padding: 20px;
box-shadow: -2px 0 5px rgba(0,0,0,0.1);
z-index: 1000;
display: none;
overflow-y: auto;
transition: background-color 0.3s;
}
/* Node rectangle styles with higher contrast green */
.box-shadow {
filter: drop-shadow(2px 3px 3px rgba(0,0,0,0.25));
}
.node rect {
fill: #2a4e08; /* Darker green for better contrast */
stroke: #1B5E20; /* Even darker green for the stroke */
stroke-width: 2;
transition: filter 0.2s;
}
.node rect.dark {
fill: #d4fbb0; /* Darker green for better contrast */
stroke: #ff9010; /* Even darker green for the stroke */
stroke-width: 2;
transition: filter 0.2s;
}
.node.dark text {
fill: #000000;
font-size: 15px;
font-family: Arial, sans-serif;
}
/* Node text in white, a bit bigger for readability */
.node text {
fill: #FFF;
font-size: 15px;
font-family: Arial, sans-serif;
}
/* Hover effect for nodes */
.node:hover rect {
filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.6));
cursor: pointer;
}
.node.dark:hover rect {
filter: drop-shadow(0 0 8px rgb(255, 162, 0));
cursor: pointer;
}
.Y-no-label {
fill: #1B5E20;
font-size: 12px;
font-family: Arial;
text-anchor: middle;
}
.Y-no-circle {
fill: white;
stroke: #2E7D32;
stroke-width: 2;
}
body.dark .Y-no-circle {
fill: #2c2c2c;
stroke: #fefd10;
}
body.dark .Y-no-label {
fill: #fefd10;
}
text.roguetext.dark {
color: #fff;
}
/* Zoom buttons in dark mode */
body.dark #zoomInBtn,
body.dark #zoomOutBtn {
background-color: #4a4a4a;
color: #fff;
border: 1px solid #666;
}
/* Header in dark mode */
body.dark .header {
background-color: #2c2c2c;
color: #fff;
}
/* High contrast colors for better readability */
body.dark .node rect {
fill: #0f4912;
stroke: #fefd10; /* Bright yellow stroke */
}
/* Dark mode overrides */
body.dark {
background-color: #1e1e1e; /* A dark background for the body */
color: #ddd;
}
body.dark .diagram-container {
/* Dim or remove the background image in dark mode */
background: #2a2a2a;
}
body.dark .info-panel {
background-color: #333;
color: #ddd;
}
/* In dark mode, shift node color to a lighter or more saturated green for clarity */
body.dark .node rect {
fill: #0f4912;
stroke: #fefffe;
}
/* Outline text of the process */
.process-outline {
padding: 1rem;
}
.process-outline h2 {
font-weight: bold;
margin-bottom: 0.5rem;
}
</style>
</head>
<body class="bg-gray-100">
<div class="flex flex-col h-screen">
<!-- Header / Toggle -->
<div class="p-4 bg-white shadow flex items-center justify-between">
<h1 class="text-xl font-bold">EMT Decision Tree</h1>
<button
id="toggleThemeBtn"
class="px-4 py-2 bg-green-600 text-white rounded shadow"
>
Toggle Theme
</button>
</div>
<div class="flex flex-grow overflow-hidden">
<!-- Diagram area -->
<div class="diagram-container flex-grow relative">
<!-- Zoom controls -->
<div class="absolute top-4 left-4 flex flex-col space-y-2 z-10">
<button id="zoomInBtn" class="px-3 py-1 bg-white dark:text-violet-700 dark:bg-indigo-700 rounded shadow">
Zoom In
</button>
<button id="zoomOutBtn" class="px-3 py-1 bg-white dark:text-violet-100 dark:bg-indigo-700 rounded shadow">
Zoom Out
</button>
</div>
<!-- SVG-based decision tree -->
<div id="diagram">
<svg
id="decisionTree"
width="4900"
height="640"
xmlns="http://www.w3.org/2000/svg"
>
<!-- Arrow marker -->
<defs>
<marker
id="arrow"
markerWidth="10"
markerHeight="10"
refX="6"
refY="3"
orient="auto"
>
<path d="M0,0 L0,6 L6,3 z" fill="#2E7D32"></path>
</marker>
</defs>
<!-- A[Start] -->
<g class="node" data-step="A">
<rect x="100" y="100" width="120" height="50" rx="10" fill="#388E3C"/>
<text x="160" y="125" text-anchor="middle" fill="white">
Start
</text>
</g>
<!-- B{Is the scene safe?} -->
<g class="node" data-step="B">
<rect x="400" y="100" width="200" height="50" rx="10" fill="#388E3C"/>
<text x="500" y="125" text-anchor="middle" fill="white">
Is the scene safe?
</text>
</g>
<!-- A->B (Scene Assessment label) -->
<text x="250" y="90" fill="#1B5E20" font-size="12" class="roguetext">Scene Assessment</text>
<line
x1="220" y1="125"
x2="400" y2="125"
stroke="#2E7D32" stroke-width="2"
marker-end="url(#arrow)"
/>
<!-- C[BSI] (Y from B) -->
<g class="node" data-step="C">
<rect x="700" y="60" width="170" height="40" rx="10" fill="#388E3C"/>
<text x="790" y="85" text-anchor="middle" fill="white">Protective Equipment</text>
</g>
<circle cx="600" cy="105" r="15" fill="#388E3C"/>
<text x="600" y="110" fill="white" font-size="12">Y</text>
<line
x1="600" y1="125"
x2="700" y2="80"
stroke="#2E7D32" stroke-width="2"
marker-end="url(#arrow)"
/>
<!-- D[Secure the scene] (No from B) -->
<g class="node" data-step="D">
<rect x="700" y="150" width="170" height="40" rx="10" fill="#388E3C"/>
<text x="785" y="175" text-anchor="middle" fill="white">
Secure the scene
</text>
</g>
<circle cx="600" cy="145" r="15" fill="#388E3C"/>
<text x="600" y="150" fill="white" font-size="12">N</text>
<line
x1="600" y1="125"
x2="700" y2="170"
stroke="#2E7D32" stroke-width="2"
marker-end="url(#arrow)"
/>
<!-- E[Request assistance] -->
<g class="node" data-step="E">
<rect x="900" y="150" width="170" height="40" rx="10" fill="#388E3C"/>
<text x="985" y="175" text-anchor="middle" fill="white">
Request assistance
</text>
</g>
<!-- D->E -->
<line
x1="870" y1="170"
x2="900" y2="170"
stroke="#2E7D32" stroke-width="2"
marker-end="url(#arrow)"
/>
<!-- F[General Impression] -->
<g class="node" data-step="F">
<rect x="900" y="60" width="180" height="40" rx="10" fill="#388E3C"/>
<text x="990" y="85" text-anchor="middle" fill="white">
General Impression
</text>
</g>
<!-- C->F -->
<line
x1="865" y1="80"
x2="900" y2="80"
stroke="#2E7D32" stroke-width="2"
marker-end="url(#arrow)"
/>
<!-- G{Assess LOC} -->
<g class="node" data-step="G">
<rect x="1150" y="60" width="160" height="40" rx="10" fill="#388E3C"/>
<text x="1230" y="85" text-anchor="middle" fill="white">
Assess mental state
</text>
</g>
<!-- F->G -->
<line
x1="1080" y1="80"
x2="1150" y2="80"
stroke="#2E7D32" stroke-width="2"
marker-end="url(#arrow)"
/>
<!-- H[Airway] (Alert/Verbal/Painful from G) -->
<g class="node" data-step="H">
<rect x="1400" y="20" width="100" height="40" rx="10" fill="#388E3C"/>
<text x="1450" y="45" text-anchor="middle" fill="white">Airway</text>
</g>
<!-- We have 3 paths from G: Alert/Verbal, Painful => H, Unresponsive => I.
For simplicity, we will show them as 2 lines labeled "Y" and "No," or
use small text for "Alert/Verbal/Painful" vs "Unresponsive." -->
<!-- "Alert/Verbal/Painful" circle near the line to H -->
<circle cx="1335" cy="55" r="25" fill="#388E3C"/>
<text x="1320" y="60" fill="white" font-size="10">
A/V/P
</text>
<line
x1="1310" y1="80"
x2="1400" y2="50"
stroke="#2E7D32" stroke-width="2"
marker-end="url(#arrow)"
/>
<!-- I[Open airway] (Unresponsive from G) -->
<g class="node" data-step="I">
<rect x="1400" y="100" width="140" height="40" rx="10" fill="#388E3C"/>
<text x="1470" y="125" text-anchor="middle" fill="white">
Open airway
</text>
</g>
<!-- "Unresponsive" circle near line to I -->
<circle cx="1335" cy="115" r="25" fill="#388E3C"/>
<text x="1320" y="120" fill="white" font-size="10">
Unresp
</text>
<line
x1="1310" y1="80"
x2="1400" y2="100"
stroke="#2E7D32" stroke-width="2"
marker-end="url(#arrow)"
/>
<!-- I->H -->
<line
x1="1470" y1="140"
x2="1450" y2="60"
stroke="#2E7D32" stroke-width="2"
marker-end="url(#arrow)"
/>
<!-- J{Ensure airway is unobstructed?} -->
<g class="node" data-step="J">
<rect x="1600" y="20" width="160" height="40" rx="10" fill="#388E3C"/>
<text x="1680" y="45" text-anchor="middle" fill="white">
Airway unobstructed?
</text>
</g>
<!-- H->J -->
<line
x1="1500" y1="40"
x2="1600" y2="40"
stroke="#2E7D32" stroke-width="2"
marker-end="url(#arrow)"
/>
<!-- K[Breathing] (Y from J) -->
<g class="node" data-step="K">
<rect x="1900" y="0" width="120" height="40" rx="10" fill="#388E3C"/>
<text x="1960" y="25" text-anchor="middle" fill="white">Breathing</text>
</g>
<circle cx="1770" cy="31" r="15" fill="#388E3C"/>
<text x="1770" y="36" fill="white" font-size="12">Y</text>
<line
x1="1780" y1="48"
x2="1900" y2="20"
stroke="#2E7D32" stroke-width="2"
marker-end="url(#arrow)"
/>
<!-- L[Open airway] (N from J) -->
<g class="node" data-step="L">
<rect x="1900" y="60" width="140" height="40" rx="10" fill="#388E3C"/>
<text x="1970" y="85" text-anchor="middle" fill="white">
Open airway
</text>
</g>
<circle cx="1770" cy="66" r="15" fill="#388E3C"/>
<text x="1770" y="71" fill="white" font-size="12">N</text>
<line
x1="1780" y1="48"
x2="1900" y2="80"
stroke="#2E7D32" stroke-width="2"
marker-end="url(#arrow)"
/>
<!-- L->K -->
<line
x1="1970" y1="100"
x2="1960" y2="40"
stroke="#2E7D32" stroke-width="2"
marker-end="url(#arrow)"
/>
<!-- M{Adequate breathing?} -->
<g class="node" data-step="M">
<rect x="2100" y="30" width="200" height="40" rx="10" fill="#388E3C"/>
<text x="2200" y="55" text-anchor="middle" fill="white">
Adequate breathing?
</text>
</g>
<!-- K->M -->
<line
x1="2020" y1="20"
x2="2100" y2="50"
stroke="#2E7D32" stroke-width="2"
marker-end="url(#arrow)"
/>
<!-- N[Circulation] (Y from M) -->
<g class="node" data-step="N">
<rect x="2400" y="0" width="140" height="40" rx="10" fill="#388E3C"/>
<text x="2470" y="25" text-anchor="middle" fill="white">
Circulation
</text>
</g>
<circle cx="2300" cy="40" r="15" fill="#388E3C"/>
<text x="2300" y="45" fill="white" font-size="12">Y</text>
<line
x1="2300" y1="50"
x2="2400" y2="20"
stroke="#2E7D32" stroke-width="2"
marker-end="url(#arrow)"
/>
<!-- O[Provide ventilations] (No from M) -->
<g class="node" data-step="O">
<rect x="2400" y="60" width="200" height="40" rx="10" fill="#388E3C"/>
<text x="2500" y="85" text-anchor="middle" fill="white">
Provide ventilation
</text>
</g>
<circle cx="2300" cy="80" r="15" fill="#388E3C"/>
<text x="2300" y="85" fill="white" font-size="12">N</text>
<line
x1="2300" y1="50"
x2="2400" y2="80"
stroke="#2E7D32" stroke-width="2"
marker-end="url(#arrow)"
/>
<!-- O->N -->
<line
x1="2500" y1="100"
x2="2470" y2="40"
stroke="#2E7D32" stroke-width="2"
marker-end="url(#arrow)"
/>
<!-- P{Pulse present?} -->
<g class="node" data-step="P">
<rect x="2650" y="30" width="160" height="40" rx="10" fill="#388E3C"/>
<text x="2730" y="55" text-anchor="middle" fill="white">
Pulse present?
</text>
</g>
<!-- N->P -->
<line
x1="2540" y1="20"
x2="2650" y2="50"
stroke="#2E7D32" stroke-width="2"
marker-end="url(#arrow)"
/>
<!-- Q[Control bleeding] (Y) -->
<g class="node" data-step="Q">
<rect x="2900" y="0" width="180" height="40" rx="10" fill="#388E3C"/>
<text x="2990" y="25" text-anchor="middle" fill="white">
Control bleeding
</text>
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<h2>Process Outline</h2>
<ol> <li><b>Start</b> <ul> <li>The process begins, initiating the assessment and response protocol.</li> </ul> </li> <li><b>Scene Assessment</b> <ul> <li><b>Action:</b> Evaluate the surrounding environment to understand the context and identify any immediate dangers. This includes: 1 <ul> <li>Noting the presence of environmental hazards (e.g., downed power lines, traffic, fire, hazardous materials).</li> <li>Observing bystanders and their behavior.</li> <li>Identifying potential threats (e.g., weapons, aggressive individuals).</li> <li>Considering the mechanism of injury or nature of illness.</li> </ul> </li> <li><b>Decision Point:</b> Is the scene safe?</li> </ul> </li> <li><b>Is the Scene Safe?</b> <ul> <li><b>Yes:</b> Proceed to Basic Impression (BSI).</li> <li><b>No:</b> Transition to Secure the Scene.</li> </ul> </li> <li><b>Secure the Scene (If Scene is Not Safe)</b> <ul> <li><b>Action:</b> Take necessary measures to make the environment safe for both the responder and the victim. This may involve: 2 <ul> <li>Contacting law enforcement for assistance with violent situations or crowd control.</li> <li>Moving the patient to a safer location if possible.</li> <li>Mitigating hazards (e.g., turning off power, containing spills).</li> </ul> </li> <li><b>Next Step:</b> Request Assistance.</li> </ul> </li> <li><b>Request Assistance</b> <ul> <li><b>Action:</b> Call for additional help or emergency services to ensure adequate support is available. This may include: 2 <ul> <li>Requesting additional EMS units.</li> <li>Calling for specialized resources (e.g., fire department, HazMat team).</li> </ul> </li> <li><b>Flow Continues Back to:</b> Basic Impression (BSI) after securing the scene and obtaining assistance.</li> </ul> </li> <li><b>Basic Impression (BSI)</b> <ul> <li><b>Action:</b> Conduct an initial survey to gather general information about the victim’s condition and the situation. This includes: 1 <ul> <li>Taking standard precautions (e.g., wearing gloves, eye protection) 3.</li> <li>Forming a general impression of the patient's appearance and level of distress.</li> </ul> </li> <li><b>Next Step:</b> General Impression.</li> </ul> </li> <li><b>General Impression</b> <ul> <li><b>Action:</b> Observe the victim for any obvious signs of distress, injury, or abnormal behavior.</li> <li><b>Next Step:</b> Assess Level of Consciousness (LOC).</li> </ul> </li> <li><b>Assess Level of Consciousness (LOC)</b> <ul> <li><b>Decision Point:</b> Is the victim Alert/Verbal, Responding to Pain, or Unresponsive? <ul> <li><b>Alert/Verbal:</b> Move to Airway Management.</li> <li><b>Responding to Pain:</b> Also move to Airway Management.</li> <li><b>Unresponsive:</b> Proceed to Open Airway.</li> </ul> </li> </ul> </li> <li><b>Unresponsive?</b> <ul> <li><b>Action:</b> If the victim is unresponsive, immediately Open Airway to ensure the airway is clear.</li> </ul> </li> <li><b>Open Airway</b> <ul> <li><b>Action:</b> Utilize appropriate techniques (e.g., head-tilt, chin-lift) to open the victim’s airway.</li> <li><b>Next Step:</b> Airway Patent?</li> </ul> </li> <li><b>Airway Patent?</b> <ul> <li><b>Decision Point:</b> Is the airway clear and open? <ul> <li><b>Yes:</b> Continue to Breathing Assessment.</li> <li><b>No:</b> Reattempt Open Airway.</li> </ul> </li> </ul> </li> <li><b>Breathing Assessment</b> <ul> <li><b>Decision Point:</b> Is breathing adequate? <ul> <li><b>Yes:</b> Proceed to Circulation Assessment.</li> <li><b>No:</b> Provide Ventilations to support breathing.</li> </ul> </li> </ul> </li> <li><b>Provide Ventilations</b> <ul> <li><b>Action:</b> Administer rescue breaths or use a ventilatory device as necessary.</li> <li><b>Next Step:</b> Return to Circulation Assessment after providing ventilations.</li> </ul> </li> <li><b>Circulation Assessment</b> <ul> <li><b>Decision Point:</b> Is a pulse present? <ul> <li><b>Yes:</b> Move to Control Bleeding.</li> <li><b>No:</b> Initiate Cardiopulmonary Resuscitation (CPR).</li> </ul> </li> </ul> </li> <li><b>Control Bleeding (If Pulse is Present)</b> <ul> <li><b>Action:</b> Apply measures to stop any significant bleeding, such as direct pressure or tourniquets.</li> <li><b>Next Step:</b> High Priority?</li> </ul> </li> <li><b>Start CPR (If No Pulse)</b> <ul> <li><b>Action:</b> Begin CPR to maintain circulation and oxygenation until further help arrives.</li> <li><b>Next Step:</b> High Priority?</li> </ul> </li> <li><b>High Priority?</b> <ul> <li><b>Decision Point:</b> Is the situation classified as high priority? <ul> <li><b>Yes:</b> Proceed to Rapid Transport.</li> <li><b>No:</b> Move to History Taking.</li> </ul> </li> </ul> </li> <li><b>Rapid Transport (If High Priority)</b> <ul> <li><b>Action:</b> Quickly transport the victim to the appropriate medical facility for advanced care.</li> <li><b>Next Step:</b> End.</li> </ul> </li> <li><b>History Taking (If Not High Priority)</b> <ul> <li><b>Action:</b> Gather relevant medical history and information about the incident.</li> <li><b>Next Step:</b> Assessment Type.</li> </ul> </li> <li><b>Assessment Type</b> <ul> <li><b>Decision Point:</b> Is a Focused or Detailed Assessment Required? <ul> <li><b>Focused:</b> Conduct a Focused Examination.</li> <li><b>Detailed:</b> Perform a Head-to-Toe Examination.</li> </ul> </li> </ul> </li> <li><b>Examine Relevant System (Focused Assessment)</b> <ul> <li><b>Action:</b> Assess specific body systems related to the victim’s complaints or injuries.</li> <li><b>Next Step:</b> Treatment.</li> </ul> </li> <li><b>Head-to-Toe Exam (Detailed Assessment)</b> <ul> <li><b>Action:</b> Conduct a comprehensive examination of the entire body to identify all potential injuries or issues.</li> <li><b>Next Step:</b> Treatment.</li> </ul> </li> <li><b>Treatment</b> <ul> <li><b>Action:</b> Provide necessary medical interventions based on the assessments conducted.</li> <li><b>Next Step:</b> Transport.</li> </ul> </li> <li><b>Transport</b> <ul> <li><b>Action:</b> Move the victim to a medical facility for further evaluation and treatment while continuously monitoring the patient's condition 4.</li> <li><b>Next Step:</b> Monitoring.</li> </ul> </li> <li><b>Monitoring</b> <ul> <li><b>Action:</b> Continuously observe the victim’s vital signs and condition during transport.</li> <li><b>Next Step:</b> Hospital Handover.</li> </ul> </li> <li><b>Hospital Handover</b> <ul> <li><b>Action:</b> Transfer all relevant information and findings to the hospital medical team to ensure seamless care.</li> <li><b>Next Step:</b> End.</li> </ul> </li> <li><b>End</b> <ul> <li><b>Action:</b> Conclude the assessment and response process.</li> </ul> </li> </ol>
<h2>Works cited</h2>
<ol>
<li>Scene Assessment in the Real World - First Response Rescue Blog, accessed January 23, 2025,</li>
<li> <a href="https://www.firstresponse-ed.com/blog/scene-assessment-in-the-real-world/">https://www.firstresponse-ed.com/blog/scene-assessment-in-the-real-world/</a></li>
<li>Scene Safety for EMS Operations - MedicTests, accessed January 23, 2025, </li>
<li> <a href="https://medictests.com/units/scene-management">https://medictests.com/units/scene-management</a> </li>
<li>MS Guidelines for Personal Protective Equipment (PPE) Use in Response to COVID-19 Calls for Service - DHHS, accessed January 23, 2025, <a href="https://dhhs.ne.gov/OEHS%20Program%20Documents/EMS%20Guidelines%20for%20PPE.pdf">https://dhhs.ne.gov/OEHS%20Program%20Documents/EMS%20Guidelines%20for%20PPE.pdf</a></li>
<li> <a href="https://emt-ce.com/course-catalog/scene-safety-considerations">https://emt-ce.com/course-catalog/scene-safety-considerations</a></li>
<li>Scene Safety Considerations - EMT-CE, accessed January 23, 2025, </li>
<li> <a href="https://emt-ce.com/course-catalog/scene-safety-considerations">https://emt-ce.com/course-catalog/scene-safety-considerations</a></li>
</ol>
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